Projectx

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4 2 5 1 4 2 5 1 0011 0010 1010 1101 0001 0100 1011 MAS 610 Group Project August 24, 2007 Rachelle Ginsberg, Vince Rubiera, Adam Berk, Wayne Anderman

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42510011 0010 1010 1101 0001 0100 1011

MAS 610 Group ProjectAugust 24, 2007

Rachelle Ginsberg,

Vince Rubiera, Adam Berk,

Wayne Anderman

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Frequency Of Demographic Variables

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Frequency Analysis: Purchased Online

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Frequency Analysis: Last Purchased Item

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Frequency A

nalysis: Last P

urchased Item cont’d

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Frequency Analysis: Website Used

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Frequency A

nalysis: Website U

sed cont’d

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Frequency Analysis: Dollars Spent

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Basic Statistics Report: Questions 4-17

Variable N N* Mean StDev Min Q1 Median Q3 MaxStd ErrMean df

alpha/2 Tc ME

dollar spent 87 18 342.5 548.9 11 50 150 350 2999 58.8 225.606 to 459.394 86 0.025 1.988 116.89satisfaction 87 18 4.5517 0.8991 1 4 5 5 5 0.0964 4.36006 to 4.74334 86 0.025 1.988 0.19

lowprice 87 18 3.563 1.273 1 3 4 5 5 0.136 3.29263 to 3.83337 86 0.025 1.988 0.27security 87 18 4.149 1.073 1 4 5 5 5 0.115 3.92038 to 4.37762 86 0.025 1.988 0.23

convenience 87 18 4.264 0.933 1 4 4 5 5 0.1 4.0652 to 4.4628 86 0.025 1.988 0.20known website 87 18 3.713 1.2 1 3 4 5 5 0.129 3.45655 to 3.96945 86 0.025 1.988 0.26Brand variety 87 18 3.575 1.197 1 3 4 5 5 0.128 3.32054 to 3.82946 86 0.025 1.988 0.25

repeat buy 87 18 4.287 1.13 1 4 5 5 5 0.121 4.04645 to 4.52755 86 0.025 1.988 0.24recommend 87 18 4.414 0.995 1 4 5 5 5 0.107 4.20128 to 4.62672 86 0.025 1.988 0.21surfexperi 105 0 4.162 1.075 1 4 4 5 5 0.105 3.9562 to 4.3678 104 0.025 1.960 0.21

riskier 105 0 3.248 1.215 1 2.5 3 4 5 0.119 3.01476 to 3.48124 104 0.025 1.960 0.23varietyseeker 105 0 3.886 1.068 1 3 4 5 5 0.104 3.68216 to 4.08984 104 0.025 1.960 0.20bargainseeker 105 0 3.686 1.155 1 3 4 4 5 0.113 3.46452 to 3.90748 104 0.025 1.960 0.22

trynewidea 105 0 3.438 1.082 1 3 4 4 5 0.106 3.23024 to 3.64576 104 0.025 1.960 0.21trivialactivity 105 0 2.829 1.297 1 2 3 4 5 0.127 2.58008 to 3.07792 104 0.025 1.960 0.25losspotential 105 0 3.21 1.371 1 2 4 4 5 0.134 2.94736 to 3.47264 104 0.025 1.960 0.26

online comfort 105 0 4.076 1.182 1 4 4 5 5 0.115 3.8506 to 4.3014 104 0.025 1.960 0.23comp confident 105 0 4.371 1.12 1 4 5 5 5 0.109 4.15736 to 4.58464 104 0.025 1.960 0.21

Confidence Interval at 95%

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Cross Tabulation: Gender

Correlations (>=$300): satisfaction, gender 1= male 2= female

Pearson correlation of satisfaction and gender 1= male 2= female = -0.399P-Value = 0.044

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Correlation analysis: satisfaction lowprice security convenience known websit 0.296 0.256 0.005 0.017 repeat buy 0.506 0.000 recommend 0.483 0.332 0.000 0.002 surfexperi 0.307 0.216 0.265 0.004 0.045 0.013 bargainseeke 0.328 0.002 losspotentia 0.212 0.275 0.048 0.010 known websit Brand variet repeat buy recommend Brand variet 0.319 0.003 repeat buy 0.229 0.033 recommend 0.325 0.400 0.002 0.000 surfexperi 0.410 0.000 riskier 0.283 0.008 bargainseeke 0.356 0.251 0.001 0.019 trynewidea 0.279 0.009 trivialactiv -0.226 0.035 losspotentia 0.297 0.219 0.005 0.041

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Correlation analysis: surfexperi riskier varietyseeke bargainseeke

riskier 0.322

0.001 varietyseeke 0.435 0.289

0.000 0.003

bargainseeke 0.266 0.371 0.290

0.006 0.000 0.003 trynewidea 0.335 0.443 0.281 0.000 0.000 0.004

trivialactiv 0.277

0.004

losspotentia 0.264 0.413 0.227 0.322 0.007 0.000 0.020 0.001 onlinebuying 0.353 0.375 0.525

0.000 0.000 0.000

computer con 0.389 0.313 0.470

0.000 0.001 0.000 trynewidea trivialactiv losspotentia onlinebuying onlinebuying 0.251

0.010

computer con 0.193 0.625

0.048 0.000

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T-Tests: Subset >$300Two-Sample T-Test and CI: dollar spent, onlinebuying comfort Two-sample T for dollar spent vs onlinebuying comfort N Mean StDev SE Mean dollar spent 22 1030 741 158 onlinebuying com 40 3.65 1.37 0.22 Difference = mu (dollar spent) - mu (onlinebuying comfort) Estimate for difference: 1026.44 95% CI for difference: (697.86, 1355.02) T-Test of difference = 0 (vs not =): T-Value = 6.50 P-Value = 0.000 DF = 21

Two-Sample T-Test and CI: dollar spent, Brand variety Two-sample T for dollar spent vs Brand variety N Mean StDev SE Mean dollar spent 22 1030 741 158 Brand variety 22 3.36 1.29 0.28 Difference = mu (dollar spent) - mu (Brand variety) Estimate for difference: 1026.73 95% CI for difference: (698.15, 1355.30) T-Test of difference = 0 (vs not =): T-Value = 6.50 P-Value = 0.000 DF = 21

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Stepwise Regression: Recommend No Subset

Response is recommend on 16 predictors, with N = 87 N(cases with missing observations) = 18 N(all cases) = 105 Step 1 2 3 4 Constant 1.9821 1.1790 0.6040 -0.1384 satisfaction 0.53 0.44 0.38 0.38 T-Value 5.08 4.13 3.71 3.75 P-Value 0.000 0.000 0.000 0.000 surfexperi 0.293 0.302 0.269 T-Value 3.04 3.26 2.91 P-Value 0.003 0.002 0.005 known website 0.211 0.239 T-Value 2.88 3.26 P-Value 0.005 0.002 computer confidence 0.178 T-Value 2.05 P-Value 0.044 S 0.876 0.837 0.803 0.788 R-Sq 23.31 30.91 37.17 40.23 R-Sq(adj) 22.41 29.26 34.90 37.31 Mallows C-p 25.3 16.6 9.8 7.5

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Stepwise Regression: $ Spent No Subset

Response is dollar spent on 17 predictors, with N = 87 N(cases with missing observations) = 18 N(all cases) = 105 Step 1 2 3 4 Constant 919.7 642.6 875.1 603.3 computer confidence -129 -237 -229 -229 T-Value -2.26 -3.23 -3.20 -3.25 P-Value 0.026 0.002 0.002 0.002 onlinebuying comfort 175 199 191 T-Value 2.26 2.61 2.54 P-Value 0.026 0.011 0.013 riskier -109 -118 T-Value -2.24 -2.47 P-Value 0.028 0.016 trynewidea 99 T-Value 2.02 P-Value 0.046 S 536 524 512 502 R-Sq 5.66 11.09 16.15 20.14 R-Sq(adj) 4.55 8.97 13.12 16.24 Mallows C-p 6.8 3.7 0.8 -1.0

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> $300 Unique Relationships

low price surfexperi -0.452 0.035 trivialactiv -0.429 0.046 Brand variety onlinebuying 0.447 0.037 Try new idea losspotentia 0.344 0.030

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Stepwise Regression: Dollars Spent Subset > $300

Response is dollar spent on 17 predictors, with N = 22 N(cases with missing observations) = 18 N(all cases) = 40 Step 1 Constant -309.7 trynewidea 383 T-Value 2.92 P-Value 0.009 S 636 R-Sq 29.86 R-Sq(adj) 26.35 Mallows C-p 44.8

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